Games like Capsoul

"BioGun is a single-player Science Fiction Shooter game with an interesting plot, masterful visuals, and spectacular music. As Bek, you must save the canine species from the Dooper Virus by aiding your dog's immune system, absorbing new powers, and exploring vital organs. Experience fast-paced side-scrolling action with an impressive array of weapons and unique boss battles."

"Tinertia is a single-player Science Fiction Platformer game, where you control the protagonist Weldon, escaping a dying planet by rocket-jumping through vast 3D environments, avoiding deadly machines and bosses, in stunning graphics, with a unique Twinstick Movement mechanic, and featuring seven diverse worlds with 65+ levels."

"Grapple Dogs: Cosmic Canines" is a fast-paced platforming game with swinging action, magnetic panels, and fire-dashing abilities. Explore multiple worlds filled with vibrant pixel art, hidden collectibles, and challenging boss battles, with an exhilarating soundtrack by Jazz Mickle. Join the adventure with the newcomer Luna and her weaponry, as you journey across dimensions to save everything.

"Turbo Kid" is a pixel-art Metroidvania game based on the film of the same name. As a lone warrior, you'll traverse a post-apocalyptic wasteland, battling enemies with an array of weapons, including a machete and the Turbo Glove™. Your trusty BMX bike is your trusty companion, allowing for faster movement and access to new areas.

"Blast Brigade vs. the Evil Legion of Dr. Cread" is a 2D action-platformer game featuring run-and-gun gameplay. Players join a diverse team of agents, each with unique abilities, to defeat the evil Dr. Cread and his minions across various levels. The game offers cooperative play, challenging boss fights, and a variety of weapons to help players in their mission.

In "Kit's Quest," play as Kit, a determined fox on a mission to rescue his kidnapped sister from a dragon. Explore a vast, 3D platforming world filled with diverse environments, from underground mines to enchanted metalworks. Gather dragon teeth to break magical barriers and enlist the help of friendly birds to aid in your quest. Overcome challenges and confront the menacing dragon in this fun-filled adventure.

Grapple Dog is a fast-paced 2D platformer where you play as Pablo, a dog with a grappling hook. Swing, climb, and jump through levels filled with challenges, enemies, and secrets. Collect medallions to unlock new abilities and save the world from the evil kitty corporation in this charming and engaging adventure.

"Soda Crisis" is a fast-paced side-scrolling shooter game where you play as a mysterious character with advanced gear and combat skills. Your mission is to explore a futuristic world, discover secrets behind the danger, and save Earth from cola-thirsty desperadoes and giant space battleships. Equipped with weapons, defensive equipment, and smooth moves, players must sprint, climb, shoot, dodge, and jump through bullet rain to defeat enemies.

In "Cuphead," a run-and-gun indie game, players control Cuphead, a cup-headed character, fighting through various levels and bosses in a classic 1930s cartoon style. This adaptation is a research project, aiming to create a playable version for the retro PSP console, using Game Maker 8. The latest version, Alpha 0.8.2, is available for testing, featuring numerous fixes since the initial release of Alpha 0.6. Note that this is not an official adaptation, and purchasing the original game supports the official developers.

"Rusted Moss" is a Metroidvania game with a physics-based grapple and 360° aiming system, allowing for creative traversal and precise gunplay. The unique elastic grappling hook uses your kinetic momentum to propel you forward, with no set path through the abandoned wasteland. Tight and precise gunplay is emphasized, with quick weapon-switching for different playstyles.